Add test using mocks

1 files changed, 12 insertions, 0 deletions

diff --git a/words.c b/words.c
index b9c236a..f5bac5f 100644
--- a/words.c
+++ b/words.c
@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <string.h>
 
 int split_words(char *sentence) {
@@ -11,3 +12,14 @@ int split_words(char *sentence) {
   }
   return count;
 }
+
+void words(const char *sentence, void (*callback)(const char *, void *), void *memo) {
+  char *words = strdup(sentence);
+  int word_count = split_words(words);
+  char *word = words;
+  while (word_count-- > 0) {
+    (*callback)(word, memo);
+    word = word + strlen(word) + 1;
+  }
+  free(words);
+}